source: releases/Pester/1.1a3/Source/NJRHistoryTrackingComboBox.m@ 334

Last change on this file since 334 was 39, checked in by Nicholas Riley, 22 years ago

Lots of wonderful changes for which I composed a detailed svn commit
message, which it proceeded to mangle yet AGAIN on failed commit.

File size: 2.2 KB
Line 
1//
2// NJRHistoryTrackingComboBox.m
3// DockCam
4//
5// Created by Nicholas Riley on Fri Jun 28 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "NJRHistoryTrackingComboBox.h"
10
11#define NJRHistoryTrackingComboBoxMaxItems 10
12
13@implementation NJRHistoryTrackingComboBox
14
15- (NSString *)_defaultKey;
16{
17 NSAssert([self tag] != 0, @"CanÕt track history for combo box with tag 0: please set a tag");
18 return [NSString stringWithFormat: @"NJRHistoryTrackingComboBox tag %d", [self tag]];
19}
20
21- (void)awakeFromNib;
22{
23 [[NSNotificationCenter defaultCenter] addObserver: self
24 selector: @selector(textDidEndEditing:)
25 name: NSTextDidEndEditingNotification
26 object: self];
27 [self removeAllItems];
28 [self addItemsWithObjectValues: [[NSUserDefaults standardUserDefaults] stringArrayForKey: [self _defaultKey]]];
29 [self setItemHeight: [self itemHeight] + 2];
30}
31
32- (void)_writeHistory;
33{
34 NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
35 [defaults setObject: [self objectValues] forKey: [self _defaultKey]];
36 [defaults synchronize];
37}
38
39- (IBAction)removeEntry:(id)sender;
40{
41 int idx = [self indexOfSelectedItem];
42 if (idx == -1) {
43 [self selectItemWithObjectValue: [self stringValue]];
44 idx = [self indexOfSelectedItem];
45 }
46 if (idx != -1) [self removeItemAtIndex: idx];
47 [self setStringValue: @""];
48 [self _writeHistory];
49}
50
51- (IBAction)clearAllEntries:(id)sender;
52{
53 [self removeAllItems];
54 [self setStringValue: @""];
55 [self _writeHistory];
56}
57
58- (BOOL)textShouldEndEditing:(NSText *)textObject;
59{
60 NSString *newValue = [self stringValue];
61 int oldIndex = [self indexOfItemWithObjectValue: newValue];
62 [self removeItemWithObjectValue: newValue];
63 [self insertItemWithObjectValue: newValue atIndex: 0];
64 if (oldIndex == NSNotFound) {
65 int numItems = [self numberOfItems];
66 while (numItems-- > NJRHistoryTrackingComboBoxMaxItems) {
67 [self removeItemAtIndex: numItems - 1];
68 }
69 }
70 [self _writeHistory];
71 return YES;
72}
73
74@end
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